Limbo plus

Uncertain of his sister's fate, a boy enters LIMBO.
What the press said:
“Limbo is as close to perfect at what it does as a game can get.”
10/10 – Destructoid
“The game is a masterpiece.”
5/5 – GiantBomb
“Limbo is genius. Freaky, weird genius. Disturbing, uncomfortable genius.”
5/5 – The Escapist
“Dark, disturbing, yet eerily beautiful, Limbo is a world that deserves to be explored.”
5/5 – Joystiq
Winner of more than 100 awards, including:
Gameinformer’s “Best Downloadable”
Gamespot’s “Best Puzzle Game”
Kotaku’s “The Best Indie Game”
GameReactor’s “Digital Game of the Year”
Spike TV’s “Best Independent Game”
X-Play’s “Best Downloadable Game”
IGN’s “Best Horror ...